Description
We understand that coil-overs and the tuning that goes along with it can be intimidating at times, We’re here to help. Pick a coil-over shock that works for you and let 4Wheel Underground tune it and the springs to what you need and want.
Upper Spring Rate | |||||||||||||||||
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Lower Spring Rate | 50 | 70 | 90 | 100 | 125 | 150 | 175 | 200 | 225 | 250 | 275 | 300 | 325 | 350 | 375 | 400 | |
85 | 31 | 38 | 44 | 46 | 51 | 54 | 57 | 60 | 62 | 63 | 65 | 66 | 67 | 68 | 69 | 70 | |
100 | 33 | 41 | 47 | 50 | 56 | 60 | 64 | 67 | 69 | 71 | 73 | 75 | 76 | 78 | 79 | 80 | |
125 | 36 | 45 | 52 | 56 | 63 | 68 | 73 | 77 | 80 | 83 | 86 | 88 | 90 | 92 | 94 | 95 | |
150 | 38 | 48 | 56 | 60 | 68 | 75 | 81 | 86 | 90 | 94 | 97 | 100 | 103 | 105 | 107 | 109 | |
175 | 39 | 50 | 59 | 64 | 73 | 81 | 88 | 93 | 98 | 103 | 107 | 111 | 114 | 117 | 119 | 122 | |
200 | 40 | 52 | 62 | 67 | 77 | 86 | 93 | 100 | 106 | 111 | 116 | 120 | 124 | 127 | 130 | 133 | |
225 | 41 | 53 | 64 | 69 | 80 | 90 | 98 | 106 | 113 | 118 | 124 | 129 | 133 | 137 | 141 | 144 | |
250 | 42 | 55 | 66 | 71 | 83 | 94 | 103 | 111 | 118 | 125 | 131 | 136 | 141 | 146 | 150 | 154 | |
275 | 42 | 56 | 68 | 73 | 86 | 97 | 107 | 116 | 124 | 131 | 138 | 143 | 149 | 154 | 159 | 163 | |
300 | 43 | 57 | 69 | 75 | 88 | 100 | 111 | 120 | 129 | 136 | 143 | 150 | 156 | 162 | 167 | 171 | |
325 | 43 | 58 | 70 | 76 | 90 | 103 | 114 | 124 | 133 | 141 | 149 | 156 | 163 | 169 | 174 | 179 | |
350 | 44 | 58 | 72 | 78 | 92 | 105 | 117 | 127 | 137 | 146 | 154 | 162 | 169 | 175 | 181 | 187 | |
400 | 44 | 60 | 73 | 80 | 95 | 109 | 122 | 133 | 144 | 154 | 163 | 171 | 179 | 187 | 194 | 200 |